package LoginUp;
/**
 * Register.jsp
 * 注册逻辑，通过拿到JSP页面传回来的登录名和密码，然后写入数据库中，写入成功则跳转回登陆主页
 * 于JSP+servlet+JDBC实现注册功能
 */

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;

public class Register extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req, resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //设置服务器端以UTF-8编码进行输出
        resp.setCharacterEncoding("UTF-8");
        //设置浏览器以UTF-8编码进行接收,解决中文乱码问题
        resp.setContentType("text/html;charset=UTF-8");
        PrintWriter out = resp.getWriter();
        String username = req.getParameter("username");
        String passwd = req.getParameter("passwd");
        try {
            try {
                System.out.println("here");
                String url = "jdbc:sqlserver://localhost:1433;DataBaseName=Login;integratedSecurity=true;";
                Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
                Connection comm = DriverManager.getConnection(url);
                String sql = "INSERT into [user] (username,password) VALUES ('" + username + "','" + passwd + "')";
                Statement st = comm.createStatement();
                //5 执行sql语句
                int temp = st.executeUpdate(sql);
                System.out.println("返回的值：" + temp);
                //6 关闭sql对象
                st.close();
                //7 关闭连接
                comm.close();
                out.println("注册成功！，将在3s内返回登陆页面。");
                resp.setHeader("refresh", "3,http://localhost:8080/javaWeb_war_exploded/tijiao.jsp");
            } catch (ClassNotFoundException e) {
                e.printStackTrace();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}
